Réponse :
voici pour le numéro 2:
a)were
b)was
c)is
d)are
numéro 3:
a)You were not there yesterday.
b)Were my parents alone ?
c)Was her glad/happy ?
d)There weren't at home.
numéro 4:
a)...worked...
b)...didn't live...
c)...didn't brush...
d)...watched...
Explications :
